WO2010115616A1 - Installation centrale de climatisation et amortisseur sonore pour une installation centrale de climatisation - Google Patents

Installation centrale de climatisation et amortisseur sonore pour une installation centrale de climatisation Download PDF

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Publication number
WO2010115616A1
WO2010115616A1 PCT/EP2010/002179 EP2010002179W WO2010115616A1 WO 2010115616 A1 WO2010115616 A1 WO 2010115616A1 EP 2010002179 W EP2010002179 W EP 2010002179W WO 2010115616 A1 WO2010115616 A1 WO 2010115616A1
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WO
WIPO (PCT)
Prior art keywords
air
flow
housing
sound
air conditioner
Prior art date
Application number
PCT/EP2010/002179
Other languages
German (de)
English (en)
Inventor
Henning Tartsch
Christian Eger
Original Assignee
Tartsch Henning
Christian Eger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tartsch Henning, Christian Eger filed Critical Tartsch Henning
Publication of WO2010115616A1 publication Critical patent/WO2010115616A1/fr
Priority to ZA2011/07297A priority Critical patent/ZA201107297B/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

Definitions

  • the invention relates to a central air conditioning system, comprising at least one fan for generating an air flow, at least one pipe for guiding the air flow generated by the fan to Schalldämpfschn for reducing noise emissions in a room to be ventilated and at least one downstream of the silencer air outlet for discharging the air flow in The space according to the preamble of claim 1. Furthermore, the invention relates to Schalldämpfstoff for integration into a central air conditioning according to the preamble of claim 13.
  • Air conditioning systems used in buildings are known in a variety of embodiments.
  • air conditioning systems are simple ventilation systems without heating, cooling or humidifying function.
  • air conditioning systems for heating and / or cooling the room air are known. Partial such air conditioners are equipped with a humidification function.
  • a disadvantage of all known air conditioning systems is their noise emission, which is particularly disturbing in office buildings or hotels.
  • the noise emission is due primarily to the at least one fan used.
  • the piping of known air conditioning systems often forms a sound bridge into the room to be air-conditioned.
  • compact ventilation systems for ventilating rooms in buildings offered by the company IAC Industrial Acoustics Company GmbH, Niederkruchten, Germany which comprise a housing which can be secured from the outside to a room wall with an integrated fan, wherein sound-damping material is arranged in the housing.
  • compact systems are not suitable for integration in air conditioning systems, in particular central air conditioning systems, and on the other hand require a special wall structure for supplying the air into the room.
  • the comparatively large dimensions of the known "compact fan" of disadvantage are known, which comprise a housing which can be secured from the outside to a room wall with an integrated fan, wherein sound-damping material is arranged in the housing.
  • an axial fan arrangement is known in which air is sucked in laterally and conveyed by means of an integral axial fan through sound insulation material plates or channels provided therein.
  • the air flowing in through the lateral air inlet can flow in a lower region directly into a front of two flow channel sections, without the air having to flow along the rear flow section.
  • the known device is not suitable for combination with central air conditioning systems and also not for ceiling installation. In addition, the device is relatively high. The sound-damping effect is also in need of improvement.
  • an outlet for supply air for laboratories is known.
  • the outlet is provided with an interior wall lining of sound insulating material.
  • the structure is comparatively complex and includes a locking device.
  • a ventilation device is known, which is provided with Schallisoliermaterial, such as foam rubber, foam plastic or nonwoven fabric. The sound insulation effect seems to be in need of improvement.
  • the invention has for its object to provide an optimized in terms of minimized noise emission central air conditioning system for buildings. Furthermore, the object is to provide soundproofing means which on the one hand guarantee optimized soundproofing and which, on the other hand, can be integrated into new or existing, preferably central, building air conditioning systems.
  • the soundproofing agents are to be specially designed for ceiling installation.
  • This object is achieved in a generic air conditioner in that the flow sections are arranged one above the other and have a greater width than height extension and disguised on both sides with a sound absorbing material sheet metal, and that the air inlet on a side remote from the air outlet top of the housing and arranged laterally (ie transversely to the high extent of the sound damping means and against the direction of air flow in the upper flow section) to a transition between the upper and the lower flow section, so that the air flowing into the upper flow section via the air inlet completely first along the upper flow section and must flow parallel to the lower flow section before the air can flow down into the lower flow section.
  • the flow channel is shunt-free.
  • the object is achieved in that the flow sections are arranged one above the other and have a greater width than height extension and are covered by a coated on both sides with sound damping material sheet metal and that the air inlet on a side facing away from an air outlet top of the housing and is arranged laterally (ie transversely to the high extent of the sound damping means and against the direction of air flow in the upper flow section) spaced from a transition between the upper flow section and the lower flow section, so that the air flowing into the upper flow cross section via the air inlet completely first along the upper flow section and must flow parallel to the lower flow section before the air can flow down into the lower flow section.
  • the invention is based on the idea to equip the central air conditioning with, in particular modular applicable, Schalldämpfschn, which are characterized by a housing which is lined in its interior, ie on the air flow side facing the housing wall, with Schalldämpfungsma- material, wherein the housing offers the possibility to connect a pipe of the air conditioner, through which the air flow generated by the fan of the air conditioner in the silencer and on the inside arranged Schalldämpfungsmaterials can flow.
  • the fan of the air conditioning is not an integral part of the Schalldämpfstoff, but arranged at a distance from the Schalldämpfstoffn and connected via at least one pipe to the Schalldämpfstoffn, wherein the pipe is connected to the housing of the Schalldämpfstoff.
  • a fan in the silencer is deliberately omitted, in order to use the silencer as a module element in air conditioning and to be able to retrofit existing, already having a fan air conditioners with silencers.
  • the housing - as will be explained later - in a room or building wall, preferably in a building ceiling, integrated and not placed on the outside of this, so as to save in this way anyway scarce space.
  • the provision of sound deadening means constructed according to the concept of the invention prevents the housing from acting as a sound bridge due to the lining of the housing with sound damping material and also limits the acoustic emission of the air conditioning system considerably, preferably to 50 dB or less.
  • the housing is formed of galvanized sheet steel.
  • the freely flow-through air duct has at least two, preferably only two, parallel flow sections, which are flowed through in succession.
  • the air channel comprises two flow channels arranged in parallel planes, wherein the air flow directions in the at least two adjacent flow sections are opposite to each other.
  • the flow sections extend along the surface extension of the housing.
  • the flow channel is shunt-free, ie, the air flowing in through the air must first flow completely through the upper flow section parallel to the lower flow section before the air can flow into the lower flow section.
  • the air inlet is laterally, ie transversely to the high extent of the sound damping means and against the direction of air flow in the upper flow section, spaced to a transition between the parallel, arranged above each other flow sections, to ensure that the air is not directly from the air inlet, the upper Flowing portion can only flow into the lower flow portion crossing without having previously flowed parallel to the lower flow portion through the upper flow portion.
  • the at least two, preferably only two, flow sections have a greater width than height extension. Wherein it is even more preferred if the cross-sectional profile of the flow sections is substantially rectangular. Ideally, the ratio between the height and the width of each flow section is about 0.025.
  • the air inlet is not laterally on the housing, but arranged on the flat top of the housing, which faces away from the space to be conditioned.
  • the air flow must therefore be deflected at least once by 90 ° to flow along the surface extension of the housing.
  • the air flow is preferably deflected within the housing at least once, preferably exclusively once, in order to flow through two flow sections running parallel to one another, wherein it is even more preferable if, after flowing through the two flow sections, a further 90 ° air - deflection takes place towards the room-side air outlet.
  • the sound damping means according to the invention are outstandingly suitable for ceiling installation and are completely executed in flat construction due to the preferably substantially greater width than height extension.
  • the soundproofing agents according to the invention are outstandingly suitable for use together with C-profiles commonly used in dry construction for defining the soundproofing agents in the ceiling area.
  • the housing is also lined on the outside with sound insulation material, in particular by means of an adhesive tape material. It has proven to be particularly advantageous for soundproofing outside of the housing to use diffusion-tight material, in particular adhesive tape material, as is available on the market, for example, under the brand name "Armaflex".
  • the sound damping means according to the invention can be modularly expanded or modularly used, depending on the required air flow rate or available cooling or heating capacity. Ideally, in the case of providing multiple modules, the modules are arranged such that the slot outlets of the modules are aligned in line with each other.
  • the modules are preferably formed identical. It is very particularly preferred if the number of air inlet side modules corresponds to the number of air outlet side modules.
  • the air outlet of the sound damping means is designed as a slot outlet, that is, an elongate, linear outlet. This has proved to be particularly advantageous with regard to the generation of an at least comparatively laminar air flow. In addition, an immediate drop of cooled air is avoided. Due to the linear design of the air outlet, the incoming air is mixed comparatively well with the air already present in the room.
  • the sound damping means not only have no fan but have no electronics and / or adjusting mechanism, in particular no control unit for an air flow.
  • a freely permeable air duct ie a free-flow cross-section limiting air duct wall is realized, preferably of the Soundproofing material is formed. Because the sound-damping material forms the peripheral wall of the air channel arranged inside the housing, the air flow is led directly past the sound-damping material However, this does not flow through to get to the air outlet. In other words, it is preferable to dispense with a foamed, through-flowing, silencer, as used in old ventilation systems.
  • the, in particular of metal, preferably formed of galvanized sheet metal, housing has a cuboid basic shape, i. Apart from the housing base preferably superior air inlet is cuboid.
  • a contoured housing is particularly suitable for, in particular almost complete, integration in a room wall of a building space.
  • the housing is covered with at least two different sound damping materials, more preferably provided with several layers of different sound damping materials, i. are aligned parallel to each other. Even more preferred is to glue the different layers together.
  • a three-layer structure of Schalldämpfungsmateri- than, preferably with a layer of foam rubber is preferably placed directly on the, in particular metallic, housing for sound decoupling, on the turn bitumen, in particular bituminous plates are arranged.
  • This is preferably polymer-modified bitumen, which is available on the German market, for example, under the trade name Plastodem-BF18.
  • the bituminous plates are sandwiched between the sponge rubber which secures the decoupling from the housing wall and a layer of open-cell foam, as is available, for example, under the trade name Basotech from the company Schmid Baubuchmaschine GmbH, Ghent-Felt.
  • the foam advantageously limits the air duct directly on the outside.
  • the housing of the silencer downstream, preferably of this separate and fixable on this air outlet is designed as a slot outlet, the air outlet is preferably occupied by an aluminum profile with plastic louvers.
  • the air conditioning system is a pure ventilation system with at least one fan, which is arranged at a distance from the housing of the silencer and supplies it with an air flow via at least one pipeline.
  • the air conditioner is a pure heater or a pure cooling device.
  • the ventilation system particularly preferably has means for cooling and heating the air flow generated by the fan.
  • means for air humidification and / or air drying are additionally provided.
  • the air conditioning system is a central air conditioning system with at least one central, the fan having, supply air device, which is connected via the at least one aforementioned pipe to the at least one room to be ventilated.
  • a central exhaust device is provided.
  • the invention advantageously provides that the housing has not only one, preferably nozzle-like, air inlet, but at least two, preferably only two, air intakes, respectively can be connected in a pipeline, wherein the connecting pipe sections can be brought together before the silencer to a common pipeline.
  • the housing of the sound damping means is not arranged on the outside of a room wall, but is integrated into the room wall, preferably in such a way that the area sides, ie the side panels or cover plates of the housing, at least approximately aligned with the surface extension of the inside wall or the wall outside or possibly only slightly survive.
  • the height extension of the housing preferably corresponds, at least approximately, to the thickness of the wall, in particular the ceiling of the room.
  • the air conditioning system has a plurality of sound damping means for air conditioning a room, wherein the housings of the sound damping means are preferably modularly arranged side by side and are flowed parallel by the air flow, which is generated by the at least one fan.
  • the housing itself is fan-free, i. has no fan.
  • the air inlet is disposed on a housing top and laterally spaced from a transition between the superimposed flow sections so that the air flowing through the air inlet into the upper flow section must flow completely along the upper flow section and thus parallel to the lower flow section before the air can flow down into the lower flow section or before the air reaches the transition between the flow sections.
  • the air not only flows out through sound damping means but can also flow out of the space to be ventilated by means of sound damping means, which are preferably substantially the same as the sound damping means described above.
  • the air outlet arranged on the side facing away from the space is preferably connected to a pipe on the side facing away from the space. More preferably, no tube is fixed to the room-side air inlet.
  • the invention also leads to separate from a central air conditioning Schalldämpfstofftechnik for integration into a central air conditioning system, the air conditioning is very particularly preferably designed as described above. To avoid repetition, with regard to advantageous embodiments of the silencer, reference is made to the preceding description, which describes the silencer according to the invention in connection with an air conditioning system.
  • Schalldämpfstoff comprise a, preferably metallic, preferably formed of galvanized sheet steel housing, which is lined with sound damping material and having at least one, in particular nozzle-shaped, air inlet for connecting a pipe of the air conditioner, wherein through the pipe Air flow can flow into the housing, which is generated by at least one fan.
  • FIG. 1 shows a schematic representation of a possible embodiment of an air conditioning system with sound damping means integrated in a room wall
  • FIG. 2b shows a ratcheted, rotated by 90 ° view of the sound damping means of FIG. 2a
  • FIG. 2c shows a sectional view through the sound damping means along the
  • Section A-A of FIG. 2a wherein the air inlet from in the drawing plane below, that is not shown in the preferred mounting position, and
  • FIG. 3 shows a sectional view of the schematic structure of the damping material layering.
  • Fig. 1 shows a possible embodiment of an air conditioner 1 in a highly schematic representation.
  • the air conditioner 1 comprises a supply air device 2, which is arranged outside of a room 3 and within a building, not shown.
  • a schematically indicated fan 4 is integrated, the air, either from outside the building or from within the building, preferably at least from outside the room 3, sucks.
  • the fan 4 generates an air flow 5 which flows through a heat exchanger 6 arranged inside the supply air device 2.
  • the latter is used for cooling or heating of the air flow generated by the fan 4 5.
  • the heat exchanger 6, for example, in a conventional manner be part of an evaporator 7, the fluidically (air-conditioning liquid) with a, preferably arranged outside the building, not shown, compressor. 8 connected is.
  • the supply air device 2 is connected to a pipe 9, which directs the air flow 5 to later explained in detail Schalldämpfschn 10.
  • These comprise a metallic housing 11, which is embedded in the wall 12 of the space 3, more precisely in the ceiling of the space 3, such that the surface sides of the housing 11 are aligned with the outside or inside of the wall 12.
  • the housing 11 is provided on its outside, in this case the upper side, with a nozzle-shaped air inlet 13 to which the pipeline 9 is connected.
  • the air flow 5 flows into the housing 11, more precisely into an air channel 14 formed inside the housing 11, which is bounded by soundproofing material, not shown for reasons of clarity, with which the housing 11 is lined.
  • the air outlet 15 is formed as a separate component from the sound damping means 10 and fixed to an air outlet 16 of the housing 11.
  • the air outlet 16 is located on the side facing away from the air inlet 13 (here a nozzle) side of the housing 11th
  • a plurality of mutually separate, modular, sound-damping means 10 can be provided, which are preferably impinged pneumatically in parallel and are even more preferably of identical design.
  • the space 3 is provided with an outlet 17 through which air can flow out of the space 3.
  • the outlet 17 is also formed by Schalldämpfstoffschn, which are formed almost identical, as the sound damping means 10 for air introduction.
  • the air flows through first muffling means 10 into the room 3 and out of the room 3 through muffling means 10 (outlet 17), the (outflow) muffling means 10, unlike the (inflow) mufflers 10, not at the air inlet connected to a pipeline.
  • FIGS. 2a to 2c preferred embodiments of the sound damping means 10 are shown with reference to FIGS. 2a to 2c, the sectional view according to FIG. 2c being shown in an enlarged, inverted view.
  • the housing 11 of the sound damping means 10 is shown in a view from below, wherein arranged on the upper side, not shown, air inlet Let 13 are indicated by dashed lines.
  • the air inlets 13 are located side by side on a line perpendicular to the flow direction, imaginary line.
  • a slot outlet air outlet 15 On the underside of the housing 11 designed as a slot outlet air outlet 15 is arranged, which has a plurality of slot-shaped openings 18.
  • the air outlet 15 is arranged on an elongated air outlet 16 of the housing 11.
  • Fig. 2a further results in the integration of the Schalldämpfstoff 10, more precisely the housing 11, in an indicated wall 12 of a room.
  • FIG. 2b shows a perspective view of the sound damping means 10 with reference to FIG. 2a.
  • FIG. 2c shows a sectional view along the section line A-A according to FIG. 2a.
  • FIG. 2c also shows the integration of the housing 11 into a wall 12 of the otherwise not shown space.
  • the air inlet 13 is suitable for connection to a pipe or a pipe, not shown in FIG. 2 c, of an air conditioning system, as shown for example in FIG. 1.
  • throttle 21 is integrated in the air inlet 13 a.
  • the air flow 5 is deflected by 90 ° and flows along the surface extension of the housing 11 in an air duct 14, more precisely in a first (upper) flow section 22 and then within the housing 11 by 180 ° then deflected and flows through a second flow section 23 which runs parallel to the first flow section 22. running.
  • the second flow section 23 there is again a 90 ° deflection of the air flow in the direction of the air outlet connection 16 through the air outlet 15, here a slot outlet, into the space.
  • the air channel 14 provides a free flow cross-section, i. the air flow 5 need not pass through foamed material, but only flow past it.
  • the air duct 14 is bounded on all sides outside of sound damping material 24, which is applied in three layers on the housing.
  • the two flow sections 22, 23 are separated from each other by a plate 25 which extends parallel to an outer panel 26 and an inner panel 27 of the housing 11.
  • the sheet 25 is lined with sound damping material 24 on both sides.
  • the air channel 14 is directly encased in open cell foam, i. is limited by the foam. Outside, i. on the side facing away from the free flow cross-section, adjoins the open-cell foam plate-shaped polymer modified bitumen, on which outside or on the side facing away from the air duct 14 side sponge rubber is arranged, which the sound-decoupled connection via an adhesive layer to the sheet 25 and the Outer sheet 26 and the inner plate 27 produces.
  • Fig. 3 shows schematically a preferred construction of the sound attenuation. Shown is a section of the housing 11. In the drawing, a section of the outer panel 26 is shown as an example, which is formed of galvanized sheet steel. With this foam rubber 29 is glued in plate form. On the sponge rubber 29 includes on the side facing the air duct 14 bitumen 30 in plate form, here polymer modified bitumen 30, which in turn is glued to the air duct 14 side facing open-cell foam 31, which directly limits the air duct 14 over long distances.
  • the sheet shown in Fig. 2c is covered with the identical three-layer acoustic damping material 24, as well as that, based on the space 3, serving as an inner plate 27 sheet metal.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

L'invention concerne une installation de climatisation (1), en particulier une installation centrale de climatisation, comprenant au moins un ventilateur (4) destiné à produire un flux d'air (5), au moins une canalisation tubulaire (9) destinée à conduire le flux d'air (5) produit par le ventilateur (4) vers des moyens amortisseurs sonores (10) destinés à réduire les émissions sonores dans un local à ventiler (3) et au moins une bouche d'air (15) montée en aval des moyens amortisseurs sonores (10) pour envoyer le flux d'air (5) dans le local (3). Selon l'invention, il est prévu que les moyens amortisseurs sonores (10) comprennent au moins un boîtier (11) doté d'une entrée d'air (13) pour le raccordement de la canalisation tubulaire (9) et revêtu de matériau amortisseur sonore (24). L'invention concerne en outre des moyens amortisseurs sonores (10) destinés à être intégrés dans une installation de climatisation (1). Selon l'invention, il est prévu un boîtier (11) qui est revêtu de matériau amortisseur sonore (24) et qui possède au moins une entrée d'air (13) pour le raccordement d'une canalisation tubulaire (9) de l'installation de climatisation (1).
PCT/EP2010/002179 2009-04-07 2010-04-07 Installation centrale de climatisation et amortisseur sonore pour une installation centrale de climatisation WO2010115616A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2011/07297A ZA201107297B (en) 2009-04-07 2011-10-05 Improved glucocorticoid thepary

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910016609 DE102009016609A1 (de) 2009-04-08 2009-04-08 Klimaanlage sowie Schalldämpfmittel für eine Klimanalage
DE102009016609.2 2009-04-08

Publications (1)

Publication Number Publication Date
WO2010115616A1 true WO2010115616A1 (fr) 2010-10-14

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DE (2) DE102009016609A1 (fr)
WO (1) WO2010115616A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766047A (zh) * 2016-11-30 2017-05-31 湖州佑华机电设备有限公司 一种中央空调的出风口
US20190186765A1 (en) * 2016-07-13 2019-06-20 Framery Oy Ventilation system and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2493170B (en) * 2011-07-26 2017-04-12 Silentair Group Ltd Improved air conditioning units

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DE2200796A1 (de) * 1972-01-08 1973-07-19 Volkswagenwerk Ag Schalldaempfer, insbesondere fuer kraftfahrzeug-warmluftheizungen
GB1341398A (en) * 1970-10-06 1973-12-19 Sound Attenuators Ltd Sound attenuating material
DD113806A1 (fr) * 1974-07-15 1975-06-20
FR2523190A1 (fr) * 1982-03-09 1983-09-16 Cherrier Gerard Bouche d'aeration acoustique
AT377843B (de) 1978-12-14 1985-05-10 Schoettler Lunos Lueftung Schalldaemmung fuer eine lueftungsanlage
DE3631732A1 (de) 1986-09-18 1988-03-24 Siegenia Frank Kg Lueftungsvorrichtung fuer raeume
WO1991014138A1 (fr) 1990-03-12 1991-09-19 Koenoenen Jorma Procede et appareil de reduction de bruit et/ou de commande d'un flux correspondant a un systeme d'ecoulement d'un milieu gazeux comme, par exemple, le systeme de distribution et/ou d'aspiration d'air d'un distribution de ventilation et utilisation d'un silencieux modulaire
DE19525551A1 (de) 1995-07-13 1997-01-16 Jochen Schanze Anschlußkasten
EP0754901A1 (fr) * 1995-07-21 1997-01-22 Robert Alan Gladden Dispositifs d'atténuation de bruit, leur fabrication et leur utilisation pour l'atténuation de bruit dans les canalisations
DE19628370C1 (de) 1996-07-13 1998-01-29 Ltg Lufttechnische Gmbh Auslaß für Zuluft
DE19811390A1 (de) * 1997-03-17 1998-09-24 Conit Lufttechnik Gmbh Lüftungsanlage für Gebäude und Zu- oder Abluftventil dafür
DE102004040114A1 (de) * 2004-08-18 2006-02-23 Schako Klima Luft Ferdinand Schad Kg Zweigniederlassung Kolbingen Vorrichtung zum Ein-und/oder Ausbringen von Luft in/aus einen/m Raum
DE102007018406A1 (de) * 2007-04-17 2008-10-23 Enbema Becks Gbr (Vertreten Durch Christel Becks) Geräuschgedämpfter Fensterfalzlüfter

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1341398A (en) * 1970-10-06 1973-12-19 Sound Attenuators Ltd Sound attenuating material
DE2200796A1 (de) * 1972-01-08 1973-07-19 Volkswagenwerk Ag Schalldaempfer, insbesondere fuer kraftfahrzeug-warmluftheizungen
DD113806A1 (fr) * 1974-07-15 1975-06-20
AT377843B (de) 1978-12-14 1985-05-10 Schoettler Lunos Lueftung Schalldaemmung fuer eine lueftungsanlage
FR2523190A1 (fr) * 1982-03-09 1983-09-16 Cherrier Gerard Bouche d'aeration acoustique
DE3631732A1 (de) 1986-09-18 1988-03-24 Siegenia Frank Kg Lueftungsvorrichtung fuer raeume
WO1991014138A1 (fr) 1990-03-12 1991-09-19 Koenoenen Jorma Procede et appareil de reduction de bruit et/ou de commande d'un flux correspondant a un systeme d'ecoulement d'un milieu gazeux comme, par exemple, le systeme de distribution et/ou d'aspiration d'air d'un distribution de ventilation et utilisation d'un silencieux modulaire
DE19525551A1 (de) 1995-07-13 1997-01-16 Jochen Schanze Anschlußkasten
EP0754901A1 (fr) * 1995-07-21 1997-01-22 Robert Alan Gladden Dispositifs d'atténuation de bruit, leur fabrication et leur utilisation pour l'atténuation de bruit dans les canalisations
DE19628370C1 (de) 1996-07-13 1998-01-29 Ltg Lufttechnische Gmbh Auslaß für Zuluft
DE19811390A1 (de) * 1997-03-17 1998-09-24 Conit Lufttechnik Gmbh Lüftungsanlage für Gebäude und Zu- oder Abluftventil dafür
DE102004040114A1 (de) * 2004-08-18 2006-02-23 Schako Klima Luft Ferdinand Schad Kg Zweigniederlassung Kolbingen Vorrichtung zum Ein-und/oder Ausbringen von Luft in/aus einen/m Raum
DE102007018406A1 (de) * 2007-04-17 2008-10-23 Enbema Becks Gbr (Vertreten Durch Christel Becks) Geräuschgedämpfter Fensterfalzlüfter

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US20190186765A1 (en) * 2016-07-13 2019-06-20 Framery Oy Ventilation system and method
JP2022003292A (ja) * 2016-07-13 2022-01-11 フラメリー オーユーFramery Oy 換気システムおよび換気方法
US11549703B2 (en) 2016-07-13 2023-01-10 Framery Oy Ventilation system and method
CN106766047A (zh) * 2016-11-30 2017-05-31 湖州佑华机电设备有限公司 一种中央空调的出风口

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